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Authors: Avallone, Antonio* 
Briole, Pierre* 
Agatza-Balodimou, Amalia Maria* 
Billiris, Harilaos* 
Charade, Olivier* 
Mitsakaki, Christiana* 
Nercessian, Alexandre* 
Papazissi, Kalliopi* 
Paradissis, Dimitris* 
Veis, George* 
Title: Analysis of eleven years of deformation measured by GPS in the Corinth Rift Laboratory area
Journal: Comptes Rendus Geoscience 
Series/Report no.: /336 (2004)
Issue Date: 2004
DOI: 10.1016/j.crte.2003.12.007
Abstract: GPS (Global Positioning System) data collected in the Corinth Rift during eleven campaigns between 1990 and 2001 provide velocities of 57 points with ∼1.5 mmyr−1 accuracy. Peloponnesos moves at 30 mmyr−1 to the N215° E with respect to a fixed Europe. Extension across the rift is accommodated in a narrow band offshore. Its rate increases from east to west and is 16 mmyr−1 near Aigion. Both sides of the rift behave as clockwise rotating blocks with rates of 7±0.5° Myr−1 and 2.8±0.8° Myr−1, respectively for the northern and southern blocks. After removing block rotations, the northern block shows a north–south extension rate of 120±50 nstrainyr−1, whereas the southern block indicates the internal deformation is still inside the error bar (<20 nstrainyr−1). The strain accumulation across the major faults located along the southern coast of the Corinth Gulf is less than 1 mmyr−1. This implies long recurrence periods for large earthquakes on these faults.
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